class VideoModel:
    """视频生成和处理工具类"""

    def __init__(self, config: AIConfig):
        self.config = config

    def generate_video(self, prompt: str, duration: int = 5):
        """生成视频"""
        # 使用RunwayML、Pika等API
        pass

    def video_to_video(self, input_video: str, prompt: str):
        """视频风格转换"""
        pass

    def enhance_video(self, video_path: str, resolution: str = "4k"):
        """视频增强"""
        pass

    def extract_frames(self, video_path: str, fps: int = 1):
        """提取视频帧"""
        import cv2

        cap = cv2.VideoCapture(video_path)
        frames = []
        frame_count = 0

        while True:
            ret, frame = cap.read()
            if not ret:
                break

            if frame_count % fps == 0:
                frames.append(frame)

            frame_count += 1

        cap.release()
        return frames